FSC 9310 JCP L11
NO. 1 COATED COVER, GLOSS-FINISH
Cover Paper February 1, 1999
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Use information: This paragraph is informational only and is not
exclusively definitive of the end use.
For highest quality multicolor face and back offset printing of reply
cards, covers for books, periodicals, etc. The 160 g/m \2\ paper is not
suitable for use as reply cards. Printed matter may include text, line
illustrations, halftones up to 200-line screen, and solid reverses.
Stock: Free from groundwood or unbleached pulp.
Note: \1\ Postconsumer fiber, in any percentage, is encouraged,
provided that the requirements of this Standard are met.
Acidity: pH value of coating shall average not less than 6.5.
Grammage (g/m\2\)............................ 160 \2\ 215 270
Basis weight: 20 by 26 inches, 500 sheets 60 80 100
(pounds)..................................
A tolerance of 5 pct shall be
allowed.
Bursting strength: Average, not less
than (kPa)................................. 270 340 410
Equivalent (lb/in\2\)...................... 40 50 60
Tearing strength: Average, each
direction, not less than (mN).............. 730 980 1,170
Equivalent (grams)......................... 75 100 120
Opacity: Average, not less than
(percent).................................. 97 97 98
No individual specimen shall average less 95 95 96
than (percent)............................
Thickness: \3\ Average, not less than
(mm)....................................... ....... 0.180 \ 0.180 \
4\ 4\
Equivalent (inch).......................... ....... 0.0070 0.0070
Any specimen averaging less than 0.180 mm (0.0070 inch) shall be
sufficient cause for rejection of the paper.
Gloss (75): Average, each side, not less
than (percent)............................. 60 60 60
Smoothness of coating: Average, each
side, not to exceed (units)................ 55 55 55
General appearance: Paper shall conform to the standard sample(s)
adopted by the Government.
Color: The paper in the order (or publication) shall be uniform with
the brightness not less than 85 pct. The color variation shall not
exceed DE(CIELAB)=1.0.
Formation: Shall be uniform. The coating shall be uniformly applied;
shall not be gritty, mottled, stippled, or ribbed in appearance; and
shall not crack or flake off.
Cleanliness: The dirt count for each side of the paper shall not
exceed 50 specks per square meter. No sample sheet (600 to
650 cm\2\ in size) shall contain more than one defect with an
equivalent area of 0.25 mm\2\ or greater.
Sampling and testing: Shall be conducted in accordance with standards in
Part 2, Government Paper Specification Standards. The precision
requirements of the acceptance criteria (Part 4) shall apply except
for thickness and brightness. Any deviation in the ``excepted''
properties is a critical defect and shall be sufficient cause for
rejection of the paper.
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Unless otherwise specified, the following is automatically waived when
printing or duplicating is to be accomplished on commercial contract
Color: Shall match the Government's standard sample for color. A
deviation of DE(CIELAB)=3.0 from the color standard is allowed.
Curl: Paper shall lie flat with either no tendency to curl or with a
curl which can be overcome under reasonable working conditions.
Coating and surface: Shall be uniform, free from mottle and any
particles which will pick, lift, or pile on the blanket under normal
press conditions.
Size and trim: Sheets: Paper shall be furnished in the size(s) ordered
and shall be flat, trimmed square on four sides with clean smooth
edges, and evenly jogged. A tolerance of 2 mm (\1/16\
inch) shall be allowed except for sheets 216 by 356 mm (8\1/2\ by 14
inches) or less; then a tolerance of 1 mm (\1/32\ inch)
shall be allowed. Successive sheets within any package shall not
differ from each other by more than 0.5 mm (\1/64\ inch). Paper with
the long dimension 813 mm (32 inches) or less shall be considered
square if the variation does not exceed 1 mm (\1/32\ inch); over 813
mm (32 inches), 2 mm (\1/16\ inch).
Grain: Direction of the grain on flat paper shall be as ordered.
Pressroom conditions: The bulk of this paper will be used in air-
conditioned pressrooms maintained at 24 deg.C 2 deg.C
and 45 pct 8 pct relative humidity.
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\1\ This grade is typically a low Government usage paper and
currently not readily and/or economically available with postconsumer
recovered fiber content. If a 10% postconsumer fiber content is desired
in the paper, that number will be stated in the procurement document.
\2\ This weight stock is not suitable for reply cards.
\3\ This property is automatically waived when the paper is not used
for the production of reply cards.
\4\ This is not the nominal caliper for the weight of the stock but
a requirement for reply card use.